LG KP260 Service Manual page 62

CIRCUIT
FL300 ICVE10184E150R101FR
1 9
L_DATA07 INOUT_A1 INOUT_B1
2 8
L_DATA06
INOUT_A2 INOUT_B2
3 7
L_DATA05 INOUT_A3 INOUT_B3
4 6
L_DATA04 INOUT_A4 INOUT_B4
FL301 ICVE10184E150R101FR
1 9
L_DATA03 INOUT_A1 INOUT_B1
2 8
L_DATA02
INOUT_A2 INOUT_B2
3 7
L_DATA01 INOUT_A3 INOUT_B3
4 6
L_DATA00 INOUT_A4 INOUT_B4
FL302 ICVE10184E150R101FR
1 9
VSYNCOUT
INOUT_A1 INOUT_B1
2 8
nLCD_WR
INOUT_A2 INOUT_B2
3 7
nLCD_RS INOUT_A3 INOUT_B3
4 6
nLCD_CS INOUT_A4 INOUT_B4
ONNOFF
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
2V8_MM
C333 C334
1u 47p
UKEY_ROW0
F_DATA07 R321 680
KEY_COL4
F_DATA06
R322 680
F_DATA05 KEY_COL3
F_DATA04
UKEY_ROW4
C343 VA304
DNI
F_DATA03
F_DATA02
F_DATA01
F_DATA00
REC_N
REC_P
C348 C349
39p 39p
MLED
F_VSYNCOUT
MLED1
F_nLCD_WR
MLED2
F_nLCD_RS
F_nLCD_CS
LCD_RESET
LCD_ID
MM LDO
EUSY0365901
VBAT
4
VDD
3
CE
C424
1u
4. TROUBLE SHOOTING
VBAT 2V5_VMIC
C335 C336
ENBY0040501
1u 47p
CN302
1 50
UKEY_ROW1
2 49
UKEY_ROW2
3 48
UKEY_ROW3
4 47
POWERKEY
5 46
VBACKUP
6 45
LED_BC
7 44
8 43
9 42
10 41
C344 C345
11 40
39p 39p
12 39
F_nLCD_CS
13 38
F_nLCD_RS
14 37
F_nLCD_WR
15 36
F_VSYNCOUT
16 35
17 34
F_DATA00
18 33
F_DATA01
19 32
F_DATA02
20 31
F_DATA03
21 30
22 29
F_DATA04
23 28
F_DATA05
24 27
F_DATA06
25 26
F_DATA07
2V8_MM
U403
RP101K282D
R415
0
1
VOUT
2
GND
C423
- 63 -
2V8_MM
35
MLED 34
MLED1 33
MLED2 32
IM1 31
IM2 30
LCD_RESET 29
F_DATA07 28
F_DATA06 27
F_DATA05 26
F_DATA04 25
F_DATA03 24
F_DATA02 23
SPK_MICP
F_DATA01 22
SPK_MICN
F_DATA00 21
F_VSYNCOUT 20
19
18
17
16
15
14
13
12
VSYCIN 11
F_nLCD_RD 10
F_nLCD_WR 9
F_nLCD_RS 8
F_nLCD_CS 7
6
5
LCD_ID 4
3
R103 2
20K
1
CN100
C106
1u
TP1
1u
LGE Internal Use Only